Police have named the man who is believed to have been murdered in a flat in east Belfast.
He was 53-year-old Mark Ponisi.
His body was found at a property in the London Road area off Ravenhill Avenue on Saturday morning. He had a number of injuries to his head and face.
A post mortem examination is to be carried out to establish the exact cause of death.
Police are continuing to question a 25-year-old man and a 26-year-old woman on suspicion of murder.
Police investigating the murder of 53-year-old Mark Ponisi in east Belfast want to speak to a taxi driver who may have vital information.
A man and a woman have been arrested on suspicion of murder after a 53-year-old man was found dead at a flat in east Belfast.